American Idol The top eight girls perform in this new episode. 8 p.m. Fox

The Odd Couple Oscar (Matthew Perry) hastily puts a surprise party together for Felix's (Thomas Lennon) birthday in this new episode. Dwight Howard, of the Houston Rockets guest stars as himself, and Leslie Bibb also stars. 8:30 p.m. CBS

The Blacklist A family of villains poses danger for Red (James Spader) in this new episode. Megan Boone, Diego Klattenhoff and Ryan Eggold also star with guest stars Jennifer and Lance Henriksen. 9 p.m. NBC

Scandal A local tragedy gets international attention as Fitz (Tony Goldwyn) and the inner circle have make a decision about the vice presidency. 9 p.m. ABC

BackstromRobert Forster guest stars as Backstrom's (Rainn Wilson) estranged father, a sheriff who joins his son investigating an oil-pipeline explosion. Sarah Chalke also guest stars in this new episode. 9 p.m. Fox

Elementary When Holmes (Jonny Lee Miller) becomes a suspect in a murder committed at the height of his addiction, he investigates himself — with Watson's (Lucy Liu) help — in this new episode. 10 p.m. CBS

American Crime Timothy Hutton and Felicity Huffman head the ensemble cast of this new drama series. 10 p.m. ABC

Dig While working in Israel, an FBI agent (Jason Isaacs) investigates the murder of a young American and gets drawn into an international mystery. 10 p.m. USA

MOVIES

That Gal... Who Was in That Thing Filmmakers Brian Volk-Weiss and Ian Roumain follow up their 2012 documentary "That Guy... Who Was in That Thing" with this 2015 companion piece, which features actresses sharing their experiences in the movie industry. 7 p.m. Showtime